diethyl

4.It is also known that sodium ethylate and diethyl phenylmalonate interact together to give ethyl Phenylacetate and diethyl carbonate.

众所周知，醇纳和二基苯基丙二酯反应可以得到基苯酯和二基碳酯。

Aim\ Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials.

目的研究以庚醛和三酯为料制备庚醛二缩醛的工艺条件。

and for nitroethane there were nitroficating low carbon alkane, chloroethane, and diethyl sulfate;

1硝基丙烷采用丙烷和丙烯硝化法;

Crystalline polypyrene microsheets were electrosynthesized in the medium of boron trifluoride diethyl etherate for the first time.

4.在三氟化硼介质,电合芘首次制备出结晶型的芘微米片。

Catalytic synthesis of phenetole by ethylation of phenol with diethyl carbonate(DEC)in fixed bed reactor was investigated.

以碳二酯(DEC)为基化试剂,与苯酚在气固相条件下催化合成苯。

No osmyl and no taste.Soluble in Benzene,Acetone,C2H4Cl2,CS2,toluene,party soluble in alcohol,diethyl ether,insoluble in water,gasoline.

于丙酮、苯、苯、二硫化碳、二氯烷，微于醇和，不易于水和汽油。

This paper reports the improvement on the synthesis of 5 methylisoxazol 3 formamide by Claisen condensation of diethyl oxalacetate followed by cyclization and ammonolysis.

讨论了以草二酯为料,经过克莱森缩合、环合、氨解反应合成5基异唑3酰胺工艺的改进。

A new method for the synthesis of 1 methyl 3 propylpyrazole 5 carboxlic acid from 2 pentanone and diethyl oxalate is reported.

以2-戊酮和草二酯为起始料,经缩合、与基肼环合、水解等三个步骤合成了1-基-3-丙基吡唑-5-羧。

The mixture was refined by sodium sulfide and sodium hydroxide to afford an O,O-diethyl thiophosphoryl chloride at a purity of 99%.

该粗品通过精制工艺的改进,采用硫化钠和氢氧化钠的混合物进行处理,得到纯度≥99%的O,O-二基硫代磷酰氯。

The synthesis of tridecane dicarboxylic acid diethyl ester with ethyl alcohol and tridecane dicarboxylic acid as reactants and cation exchange resin as catalyst had been studied.

以强性阳离子交换树脂为催化剂,十三碳二元与醇为料合成十三碳二元二酯,考察了影响反应的因素。

The products in the preparation of diethyl carbonate (DEC) from diethyl oxalate (DEO) by decarbonylation over K2CO3/AC (activated carbon) were analyzed by gas chromatography-mass (GC-MS).

摘要采用气相色谱-质谱联用（程序升温）的方法对K2CO3/性炭上催化草二酯(DEO)气相脱羰基制碳二酯(DEC)的反应产物进行了分析。

Entomologist Stephen Doggett, who runs the NSW Health arbovirus program which monitors mosquitoes and the diseases they carry is firmly in the DEET (diethyl toluamide) camp.

负责新南威尔士卫生局虫媒病毒项目的昆虫学家斯蒂芬·多格特赞成使用避蚊胺。该项目监控蚊子和它们自身携带的多种疾病。